274139740 has 48 divisors (see below), whose sum is σ = 662784192. Its totient is φ = 93298176.

The previous prime is 274139729. The next prime is 274139743. The reversal of 274139740 is 47931472.

It is a self number, because there is not a number n which added to its sum of digits gives 274139740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274139743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12034 + ... + 26326.

It is an arithmetic number, because the mean of its divisors is an integer number (13808004).

Almost surely, 2^274139740 is an apocalyptic number.

274139740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274139740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331392096).

274139740 is an abundant number, since it is smaller than the sum of its proper divisors (388644452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274139740 is a wasteful number, since it uses less digits than its factorization.

274139740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14446 (or 14444 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 274139740 is about 16557.1658202725. The cubic root of 274139740 is about 649.6169261557.

The spelling of 274139740 in words is "two hundred seventy-four million, one hundred thirty-nine thousand, seven hundred forty".